body{margin:0;padding:0;}
html,body{height:100%;}

.backDiv{
    width: 100%;
    height: 100%;
    background:url(../img/loginBack.png) no-repeat;
    background-size: 100% 100%;
    display: flex;
    align-items: center; /*定义父元素的元素垂直居中*/
    justify-content: center; /*定义子元素的里的元素水平居中*/
}

.titleDiv{
    position: absolute;
    top: 15%;
    color: #FFFFFF;
    font-size: 400%;
    letter-spacing:5px;
}

.loginDiv{
    width: 25%;
    height: 40%;
    margin-top: 3%;
    background-color: #FFFFFF;
}

.loginRowDiv{
    width: 100%;
    height: 18%;
    display: flex;
    align-items: center; /*定义父元素的元素垂直居中*/
    justify-content: center; /*定义子元素的里的元素水平居中*/
    color: #4E4E4E;
}

.loginTitle{
    font-size: 150%;
}

.loginIpt{
    width: 60%;
    height: 50%;
    margin-left: 5%;
    padding: 0 3%;
    border: 1px solid #707070;
}

.rememberPassword{
    border: 1px solid #707070;
    margin-left: 5%;
    margin-right: 1%;
}

.register{
    margin-left: 20%;
    color: #3884F5;
    text-decoration:none;
}

.loginBtn{
    width: 80%;
    height: 60%;
    background-color: #053C8E;
    border-radius: 2px;
    color: #FFFFFF;
    font-size: 80%;
}